OggSync 2.0 FreeWare provides full 2 way sync from your phone to one of your Google calendars. Full support for repeating events, and changes to those repeating events and uses over the air or cradled connections so you can always be up to date.

MyInfo is a personal-reference information manager. It helps you collect, organize, edit, store, and find personal-reference information like documents, random notes, and project-support materials. Great companion for everyone who uses GTD.

To do list, calendar, reminder : simple, useful, and reliable. Keeping track of your important dates and events has never been easier with this desktop reminder. Fully skinnable. Trial version available for download.